Abstract
Abstract The lack of sustainable soil fertility management is a critical challenge for crop production in the world. The problem is more serious in the East Gojjam Zone highlands. Integrated use of lime, manure, and chemical fertilizers is considered as a good approach for sustainable crop production on acidic soils. In 2016 and 2017, a field experiment was conducted to determine the effect of soil amendments on soil fertility and tef productivity in the Gozamin district. Factorial combinations of two rates of lime (0 and 2 t ha −1 ), two rates of NP fertilizers (0/0 and 46/20 kg N/P ha −1 ), and three rates of cattle manure (0, 10, and 15 t ha −1 ) were laid out in randomized complete block design with three replications. The results showed that applying lime in combination with NP fertilizer and manure significantly improved soil chemical properties. Panicle length, effective tillers, and thousand seeds weight of tef increased from 25.1 to 44.4 cm, 2.8 to 11.3, and 0.23 to 0.37 g, respectively, when 10 t ha −1 manure and recommended NP fertilizer were applied together. The highest tef grain yield of 2.31 t ha −1 and net benefit of 2,252.91 USD ha −1 were obtained from the interaction of 10 t ha −1 cattle manure, 46/20 kg ha −1 N/P fertilizer, and 2 t ha −1 lime. This study recommends the combined application of 2 t ha −1 lime, 10 t ha −1 cattle manure, and 46/20 kg ha −1 N/P fertilizer as an effective amendment to improve soil chemical properties and yield of tef in acidic soils of northwest Ethiopian highlands.
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Claims 7
Claim · model-written summary
Combined lime, NP fertilizer and manure significantly improved soil chemical properties.
- Taxon
- tef
Eragrostis teft0 - Treatment
- lime in combination with NP fertilizer and manuree0
- Outcome
- soil chemical propertiese0
- Direction
- improvede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“tef (Eragrostis tef [Zucc.] Trotter)”
e0“applying lime in combination with NP fertilizer and manure significantly improved soil chemical properties”
Claim · model-written summary
Panicle length rose from 25.1 to 44.4 cm under manure plus recommended NP fertilizer.
- Taxon
- tefEragrostis teft0
- Treatment
- 10 t ha −1 manure and recommended NP fertilizere0
- Outcome
- Panicle lengthe0
- Direction
- increasede0
- Value
- 25.1 to 44.4 cme0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“tef (Eragrostis tef [Zucc.] Trotter)”
e0“Panicle length, effective tillers, and thousand seeds weight of tef increased from 25.1 to 44.4 cm, 2.8 to 11.3, and 0.23 to 0.37 g, respectively, when 10 t ha −1 manure and recommended NP fertilizer were applied together.”
Claim · model-written summary
Effective tillers rose from 2.8 to 11.3 under manure plus recommended NP fertilizer.
- Taxon
- tefEragrostis teft0
- Treatment
- 10 t ha −1 manure and recommended NP fertilizere0
- Outcome
- effective tillerse0
- Direction
- increasede0
- Value
- 2.8 to 11.3e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“tef (Eragrostis tef [Zucc.] Trotter)”
e0“Panicle length, effective tillers, and thousand seeds weight of tef increased from 25.1 to 44.4 cm, 2.8 to 11.3, and 0.23 to 0.37 g, respectively, when 10 t ha −1 manure and recommended NP fertilizer were applied together.”
Claim · model-written summary
Thousand seed weight rose from 0.23 to 0.37 g under manure plus recommended NP fertilizer.
- Taxon
- tefEragrostis teft0
- Treatment
- 10 t ha −1 manure and recommended NP fertilizere0
- Outcome
- thousand seeds weighte0
- Direction
- increasede0
- Value
- 0.23 to 0.37 ge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“tef (Eragrostis tef [Zucc.] Trotter)”
e0“Panicle length, effective tillers, and thousand seeds weight of tef increased from 25.1 to 44.4 cm, 2.8 to 11.3, and 0.23 to 0.37 g, respectively, when 10 t ha −1 manure and recommended NP fertilizer were applied together.”
Claim · model-written summary
The specified manure, NP and lime combination produced the highest tef grain yield, 2.31 t ha −1.
- Taxon
- tefEragrostis teft0
- Treatment
- 10 t ha −1 cattle manure, 46/20 kg ha −1 N/P fertilizer, and 2 t ha −1 limee0
- Outcome
- tef grain yielde0
- Direction
- higheste0
- Value
- 2.31 t ha −1e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“tef (Eragrostis tef [Zucc.] Trotter)”
e0“The highest tef grain yield of 2.31 t ha −1 and net benefit of 2,252.91 USD ha −1 were obtained from the interaction of 10 t ha −1 cattle manure, 46/20 kg ha −1 N/P fertilizer, and 2 t ha −1 lime.”
Claim · model-written summary
The specified manure, NP and lime combination produced the highest net benefit, 2,252.91 USD ha −1.
- Taxon
- tefEragrostis teft0
- Treatment
- 10 t ha −1 cattle manure, 46/20 kg ha −1 N/P fertilizer, and 2 t ha −1 limee0
- Outcome
- net benefite0
- Direction
- higheste0
- Value
- 2,252.91 USD ha −1e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“tef (Eragrostis tef [Zucc.] Trotter)”
e0“The highest tef grain yield of 2.31 t ha −1 and net benefit of 2,252.91 USD ha −1 were obtained from the interaction of 10 t ha −1 cattle manure, 46/20 kg ha −1 N/P fertilizer, and 2 t ha −1 lime.”
Claim · model-written summary
The authors recommend combined lime, manure and NP fertilizer for tef yield and soil improvement.
- Taxon
- tefEragrostis teft0
- Treatment
- 2 t ha −1 lime, 10 t ha −1 cattle manure, and 46/20 kg ha −1 N/P fertilizere0
- Outcome
- improve soil chemical properties and yield of tefe0
- Setting
- northwest Ethiopian highlandse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“tef (Eragrostis tef [Zucc.] Trotter)”
e0“This study recommends the combined application of 2 t ha −1 lime, 10 t ha −1 cattle manure, and 46/20 kg ha −1 N/P fertilizer as an effective amendment to improve soil chemical properties and yield of tef in acidic soils of northwest Ethiopian highlands.”
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See all 18 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.